81
StrongRockville, Maryland · Commercial
Commercial HVAC & plumbing contractors in Rockville, MD
4 commercial HVAC & plumbing contractors in Rockville, out of 16 HVAC and plumbing businesses the Registry lists there. Ranked by Registry Score, owner-confirmed records first.
- Pros
- 4
- Avg. score
- 50.3
- Scored
- 4
Summary
Data last updatedAs of October 14, 2026, the ProComfort Registry lists 4 commercial HVAC & plumbing contractors in Rockville, Maryland. Most-listed specialties: heating & furnaces (1), air conditioning (1). 4 have enough public signals for a Registry Score, averaging 50.3 out of 100; 1 scores 70 or higher. Together they hold 138 public reviews on Google, Yelp and Facebook. The highest-scored is Shapiro & Duncan Inc, at 81 out of 100. 1 is Featured for 2026. View Shapiro & Duncan Inc.
Counts come straight from the Registry's records. How the Registry Score works
Featured commercial HVAC & plumbing contractors in Rockville
Showing 1–4 of 4
81
StrongRockville, MD 20850 4.7(100 reviews)
HVACCommercial
52
EstablishedRockville, MD 20851 3.7(26 reviews)
HVACCommercial
46
DevelopingRockville, MD 20850 4.2(12 reviews)
HVACHeatingA/CCommercial
22
DevelopingCommercial HVAC & plumbing contractors in Rockville: at a glance
- How many commercial HVAC & plumbing contractors are in Rockville, Maryland?
- As of October 14, 2026, the ProComfort Registry lists 4 commercial HVAC & plumbing contractors in Rockville, Maryland.
- Who is the highest-scored commercial HVAC or plumbing contractor in Rockville, Maryland?
- By Registry Score, Shapiro & Duncan Inc (Rockville, MD) ranks first at 81 out of 100, among 4 scored businesses averaging 50.3. The score combines public reviews (50 points), digital presence (30) and reach (20); nobody can pay for a higher score.
- Which companies are featured in Rockville, Maryland for 2026?
- ProComfort Registry features Shapiro & Duncan Inc. Featured companies are selected editorially from public reviews and track record; listings and rankings are never sold.
- How are commercial HVAC & plumbing contractors in Rockville, Maryland ranked?
- By Registry Score (0-100, from public reviews, digital presence and reach), with records confirmed by their owners listed first. The full method is at https://procomfortregistry.online/methodology.
What this list includes: businesses whose public category or name points to commercial, industrial or mechanical contracting. Tags come from each business's public category and name, so a company can appear under several trades. Commercial HVAC & plumbing contractors across the US